How much do sargassum fish weigh?

Sargassum fish, also known as Sargassumfish or Histrio histrio, typically weigh between 0.5 to 1 pound (about 0.2 to 0.5 kilograms). Their size can vary, with adults reaching lengths of around 15 inches (38 cm). These fish are known for their unique ability to camouflage themselves among floating seaweed.